CN100398623C - High-temperature resistant water-base mud washing fluid - Google Patents
High-temperature resistant water-base mud washing fluid Download PDFInfo
- Publication number
- CN100398623C CN100398623C CNB2006101096242A CN200610109624A CN100398623C CN 100398623 C CN100398623 C CN 100398623C CN B2006101096242 A CNB2006101096242 A CN B2006101096242A CN 200610109624 A CN200610109624 A CN 200610109624A CN 100398623 C CN100398623 C CN 100398623C
- Authority
- CN
- China
- Prior art keywords
- washing fluid
- mud
- water
- base mud
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a washing liquid of high-temperature proof cement slurry, which comprises the following parts: water, 0.5-1% dodecylbenzene sulfonic acid, 1-3% sodium carbonate, 0.3% sodium silicate and 1-3% sulfonated tannin.
Description
Technical field:
A kind of washing fluid that the present invention relates to use in the petroleum drilling engineering particularly relates to a kind of water-base mud washing fluid.
Background technology:
Because can produce false filter cake when drilling well on the borehole wall and casing wall, the generation of this mud cake can make weak bonding or not glued between the borehole wall and casing wall and the grout, thereby has a strong impact on the quality of casing and cementing.Residual mud uses grout incompatible with well cementation in drilling engineering in addition, also can influence the casing and cementing quality, therefore in the reinforcing oil well construction, before injecting cement, pump into clear water usually earlier and remove false filter cake and mud, improve the affinity at two interfaces, guarantee cementing quality.But owing to influence of various factors, the cross section of well is irregular ellipse or Pear-Shaped in drilling process, and the vertical section presents zig-zag, no matter it is much to replace discharge capacity.All be difficult to mud replacement wherein clean.In addition, the knee sleeve pipe is difficult for having changed the velocity flow profile of annular space in the displacement process between two parties in the well, has increased the displacement difficulty of narrow limit mud.Therefore need a kind of washing fluid to have better flushing, replace effect, requirement has tangible dilution, viscosity reduction effect to mud, improve degree of mobilization, simultaneously grout is had and disperse and delayed coagulation, can the thickening time can be prolonged again by turbulence replacement, self contamination resistance is strong, and is good with grout and mud consistency.
Summary of the invention:
The purpose of this invention is to provide a kind of water-base mud washing fluid, can effectively remove the false filter cake on the borehole wall and the casing wall, dilution mud makes mud and grout have good flowability, improves the rate that flushing replaces.
In order to realize the foregoing invention purpose, the technical solution adopted in the present invention is: this water-base mud washing fluid is made up of water, sodium laurylsulfonate, yellow soda ash, water glass, sulfonation tannin, and wherein the proportioning of each component is pressed row weight part meter: add 0.5-1 part sodium laurylsulfonate, 1-3 part yellow soda ash, 0.3 part of water glass, 1-3 part sulfonation tannin in 100 parts of water.
Usually claim that sodium laurylsulfonate, yellow soda ash, water glass, sulfonation tannin are washing fluid admixture or treatment agent, yellow soda ash wherein, have decontamination, washing action on the one hand, on the other hand, adding yellow soda ash can make pH value＞8 of mud and grout contact part, the alkalescence of maintenance system prevents to destroy mud, causes caving in of the borehole wall; Sodium laurylsulfonate is a kind of tensio-active agent, the distinctive wettability of tensio-active agent, perviousness act on the borehole wall and casing wall, can reduce by one, (interface is the interface between sleeve pipe and the cement mantle to second interface, second interface is the interface between stratum and the cement mantle) surface tension, strengthen the wetting action and the washing action of washing fluid; Water glass is the mud shale inhibitor; The sulfonation tannin is a thinner, and mud is had good dilution effect, makes false filter cake softening rapidly, is easy to be rinsed.
The compound method of water-base mud washing fluid:
At first according to the total amount of required configuration washing fluid, calculate and the amount of various treatment agents of weighing and water; In container, add whole water, stir, add sulfonation tannin, yellow soda ash, water glass then according to quantity successively, add sodium laurylsulfonate at last, stir and just can be transported to the well site after 30 minutes, be used for cementing operation.
Embodiment:
Below the present invention is further illustrated by various testing datas and embodiment.
The component, the proportioning that are several water-base mud washing fluids below see the following form:
Table 1
Following testing sequence and method according to GB10238-1998≤oil well cement 〉=in relevant regulations carry out.
1, developing result test
Test mud is selected the on-the-spot mud (organosilicon mud) of grand celebration Xu Shen 21 wells (4237 meters) for use and is reached the on-the-spot mud (both sexes compound ion mud) of dark 3 wells.The test apparatus rotational viscosimeter.
Test method is as follows:
1. rotating cylinder is in mud static 1 minute, makes the surface stick mud;
2. pack in the slurry cup 350 milliliters of washing fluids;
3. 3 is speed setting 200 to change, and makes the rotor rotation;
4. flush time is 4 minutes, till mud is washed down.
Testing data such as following table 2.
Table 2 washing fluid developing result data sheet
Testing data shows, above-mentioned water-base mud washing fluid is to the silicone based mud of Xu Shen 21 wells and reach dark 3 well mud and have developing result preferably, washes down in 4 minutes.
2, high temperature resistance test
In order to verify the developing result of above-mentioned water-base mud washing fluid under hot conditions, carried out the high temperature resistance test.Test method is as follows:
Get water-base mud washing fluid (Xu Shen 14 organosilicon mud), utilize High Temperature High Pressure multiviscosisty instrument, at 83 ℃, 93 ℃, 103 ℃, 126 ℃, 150 ℃, the 70MPa high-temperature and high-pressure conditions stirred 180 minutes down, cooled to 60 ℃, and normal pressure takes out, the round mould (G of analog casing
Former) in mud, soaked 3 minutes, taking out the back static 1 minute, (G weighs
Always); Then the analog casing that is stained with mud is put into eddy current type flushing simulator, with the rotating speed flushing of the 200r/min (G that weighs after 4 minutes
Dash), calculate the flushing rate of washing fluid according to following formula:
Flushing rate=(G
Always-G
Dash)/(G
Always-G
Former) * 100%
The flushing rate of measuring the results are shown in following table 3:
Table 3 washing fluid high temperature resistance testing data table
Testing data shows that above-mentioned washing fluid still has good developing result after stirring 180 minutes under 83 ℃-150 ℃ the hot conditions, show that above-mentioned washing fluid has stronger high temperature resistance and chemical stability, satisfies the requirement of deep well cementing.
3, the compatibility test of washing fluid
What select for use is the on-the-spot mud (organosilicon mud) of Xu Shen 21 wells (4237 meters), and the grout prescription is G class g cement+8% styrene-butadiene latex, and water-base mud washing fluid is the 1# in the table 1.The consistency experimental data sees the following form 4 and table 5:
Table 4 water-base mud washing fluid and mud compatibility test data sheet
Table 5 water-base mud washing fluid and grout compatibility test data sheet
Above-mentioned water-base mud washing fluid is with after mud and grout mix in varing proportions, and fluid has good dilution effect, and rheological property is good.
4, antipollution multiviscosisty test
Grout is G class g cement+18% styrene-butadiene latex, with water-base mud washing fluid (1#) with 1: 1, after mixing at 5: 95, do the multiviscosisty test, testing data such as following table 6.
Table 6 antipollution multiviscosisty testing data table
Annotate: temperature: 150 ℃, pressure: 94MPa
Washing fluid is with after grout mixes, and at 150 ℃, under the 94MPa condition, the thickening time prolongs to some extent, shows that this water-base mud washing fluid has the effect that delays cement slurry thickening time to a certain extent.
5, interface cementing strength test
For estimating the interface agglutination situation after mud is rinsed the liquid flushing, carried out the interface cementing strength test.Test method is: simulate the borehole wall as external mold with steel pipe, use steel pipe less than outer mode diameter as analog casing (internal mold), analog casing is put into mud and is soaked taking-up after 3 minutes, the simulation borehole wall and analog casing are placed on the smooth steel plate, annular space is full of grout, maintenance certain hour under specified temp pressure is at pressure aircraft measurements clipping knotting strength.Method of calculation are as follows: P=F/S
In the formula: P interface shearing consolidation strength Pa
F pressing machine reading N
S analog casing lateral area M
2
The mud (organosilicon mud) that Xu Shen 21 wells (4237 meters) that test is selected for use are on-the-spot, grout scheme are the good magnificent G class g cement magma in Sichuan, than tight encirclement by the enemy 1.90g/cm
2Washing fluid is 1#, and test temperature is 90 ℃, normal pressure.Testing data sees the following form 7.
Table 7 one, second interface consolidation strength testing data table
| Sequence number | One interface cementing strength MPa | Second interface consolidation strength MPa |
| 1 | 1.31 | 1.13 |
| 2 | 0.02 | 0.01 |
| 3 | 1.20 | 0.98 |
| 4 | 1.89 | 1.76 |
Annotate: 1: analog casing soaked in clear water 3 minutes;
2: analog casing soaks in mud after 3 minutes and takes out static 1 minute;
3: analog casing soaks in mud after 3 minutes and takes out, and static 1 minute, washes 4 minutes with 200 revolutions per seconds with clear water.
4: analog casing soaks in mud after 3 minutes and takes out, and static 1 minute, washes 4 minutes with 200 revolutions per seconds with washing fluid (1#).
Test shows, (interface is the interface between sleeve pipe and the cement mantle than obviously improving with one after the flushing with clean water, second interface consolidation strength with the washing fluid flushing, second interface is the interface between stratum and the cement mantle), wetting, osmosis that tensio-active agent in the washing fluid is described have been improved the avidity at interface, help the gluing of cementing concrete ring.
Indoor evaluation test data show, the water-base mud washing fluid system of being developed, and the flush efficiency height, 150 ℃ of high temperature resistances, self contamination resistance is strong, and the washing fluid system has tangible dilution effect to mud and grout.Fine with consistency after mud, the grout blending, flushing rear interface consolidation strength strengthens, and helps improving cementing quality.
Water-base mud washing fluid of the present invention has been used two mouthfuls of deep-wells in the Daqing oil field deep well cementing, can effectively wash mud, and see positive effect.
Song Shen 6 wells, 3850 meters of finishing drilling well depths, 112 ℃ of bottom-hole static temperatures.Mud is silicone based, and density is 1.24, and cementing slurry is the DSJ water retaining, density 1.60g/cm
3Before the cementing, inject washing fluid of the present invention (table 1 1#) 12 sides, replace discharge capacity and be 2.4 sides/minute, washing fluid and borehole wall duration of contact are 5 minutes.Return out washing fluid 12.3 sides, mean density is 1.03g/cm
3
Daqing oil field Xu Shen 13 wells, 4450 meters of well depths adopt two-stage cementing technology.2517 meters of one-level interval isolations are with G class g cement+25% quartz sand+18% styrene-butadiene latex), cement slurry density is 1.90g/cm
3Inject washing fluid of the present invention (table 1 1#) 14.4 sides, replace discharge capacity and be 2.5 sides/minute, be 5 minutes 40 seconds duration of contact.Cementing operation is smooth, returns out washing fluid 14.1 sides, mean specific gravity 1.04g/cm
3
From the situation that well head returns out, the washing fluid that returns out, mud, grout interface are clear.Show that water-base mud washing fluid can wash mud effectively.The cementing quality of two mouthfuls of wells is all qualified.
Claims (2)
1. water-base mud washing fluid, be made up of water, sodium laurylsulfonate, yellow soda ash, water glass, sulfonation tannin, wherein the proportioning of each component is pressed row weight part meter: add 0.5-1 part sodium laurylsulfonate, 1-3 part yellow soda ash, 0.3 part of water glass, 1-3 part sulfonation tannin in 100 parts of water.
2. water-base mud washing fluid according to claim 1 is characterized in that: this water-base mud washing fluid can use under 83 ℃-150 ℃ condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101096242A CN100398623C (en) | 2006-08-11 | 2006-08-11 | High-temperature resistant water-base mud washing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101096242A CN100398623C (en) | 2006-08-11 | 2006-08-11 | High-temperature resistant water-base mud washing fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1908111A CN1908111A (en) | 2007-02-07 |
| CN100398623C true CN100398623C (en) | 2008-07-02 |
Family
ID=37699344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101096242A Expired - Fee Related CN100398623C (en) | 2006-08-11 | 2006-08-11 | High-temperature resistant water-base mud washing fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100398623C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732239B (en) * | 2012-07-24 | 2014-01-29 | 天津油孚科技发展有限公司 | Organic and inorganic composite flushing liquid as well as preparation method and applications thereof |
| CN103555306B (en) * | 2013-11-07 | 2015-12-09 | 山东大学 | A kind ofly be applicable to oil-based mud flushing liquor of high temperature and high salt environment and preparation method thereof |
| CN104745165B (en) * | 2015-02-25 | 2018-03-13 | 中国石油集团渤海钻探工程有限公司 | Well cementation saliferous flushing liquor and preparation method thereof |
| CN105001842A (en) * | 2015-07-14 | 2015-10-28 | 中国石油集团渤海钻探工程有限公司 | Weighted flushing fluid for well cementing and preparation method of weighted flushing fluid |
| CN106675541A (en) * | 2016-12-16 | 2017-05-17 | 盘锦禹和石油科技有限公司 | Water-based flushing fluid |
| CN109281654B (en) * | 2017-07-19 | 2022-03-01 | 中国石油天然气股份有限公司 | Method for evaluating quality of mud cake before well cementation |
| CN110343513B (en) * | 2018-04-03 | 2021-09-28 | 中国石油天然气集团有限公司 | Flushing fluid, preparation method thereof and flushing fluid for deepwater well cementation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034780A (en) * | 1988-12-30 | 1989-08-16 | 大庆石油管理局钻开研究所 | The flushing liquor of oil-base mud |
| CN1108266A (en) * | 1993-09-21 | 1995-09-13 | 罗姆和哈斯公司 | Acid catalyzed process for preparing amino acid polymers |
| CN1544572A (en) * | 2003-11-17 | 2004-11-10 | 马冬兰 | Nano-surfactant for oil production and method for preparing the same |
| CN1566258A (en) * | 2003-07-04 | 2005-01-19 | 大庆高新区鑫诺精细化工有限公司 | Alkyl aryl alkyl-sulfonate surfactant composition and its application in tertiary oil recovery |
-
2006
- 2006-08-11 CN CNB2006101096242A patent/CN100398623C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034780A (en) * | 1988-12-30 | 1989-08-16 | 大庆石油管理局钻开研究所 | The flushing liquor of oil-base mud |
| CN1108266A (en) * | 1993-09-21 | 1995-09-13 | 罗姆和哈斯公司 | Acid catalyzed process for preparing amino acid polymers |
| CN1566258A (en) * | 2003-07-04 | 2005-01-19 | 大庆高新区鑫诺精细化工有限公司 | Alkyl aryl alkyl-sulfonate surfactant composition and its application in tertiary oil recovery |
| CN1544572A (en) * | 2003-11-17 | 2004-11-10 | 马冬兰 | Nano-surfactant for oil production and method for preparing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1908111A (en) | 2007-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100398623C (en) | High-temperature resistant water-base mud washing fluid | |
| CN102796498A (en) | Foam drilling fluid | |
| CN106085395A (en) | A kind of microemulsion-type flushing liquor system being applicable to oil base drilling fluid and preparation method | |
| EA023265B1 (en) | Polymeric microspheres as degradable fluid loss additives in oilfield applications | |
| CN104726078B (en) | A kind of GEL USED FOR PLUGGING WELL LOST CIRCULATION and preparation method thereof | |
| CN104263339A (en) | Oil-based drilling fluid shaft completion cleaning fluid and preparation method thereof | |
| CN109294541A (en) | A kind of fireflood well self-degradation diverting agent and the preparation method and application thereof | |
| CA3030058C (en) | Cement slurries for well bores | |
| CN104357033B (en) | Blocking agent synergist, the gel containing the blocking agent synergist and preparation method and application | |
| CN104745165B (en) | Well cementation saliferous flushing liquor and preparation method thereof | |
| CN103184044B (en) | Heat extraction by steam injection Thermo-sensitive solid sand seal completion integration chemical system | |
| US20080099202A1 (en) | Method of cementing well bores | |
| CN109054780B (en) | A kind of crack inhibitor and preparation method thereof improving formation fracture pressure and water-base drilling fluid and application | |
| CN110452673A (en) | A kind of efficient displacement of reservoir oil cleaning solution used under suitable oil base drilling fluid environment | |
| CN105754568A (en) | Casing damage well chemical leaking stoppage prepad fluid and preparing method thereof | |
| CN107987819B (en) | Low-toxicity and low-foam oil-based mud flushing agent for well cementation and preparation method thereof | |
| Hao | Cleaning functional spacer for improving sealing integrity and zonal isolation of cement sheath in shale gas wells: laboratory study and field application | |
| Khalili et al. | The Effect of Fluid Contamination on Rheological Properties of Geopolymer Materials | |
| WO2020215522A1 (en) | Clean fracturing fluid system for coal seam water injection and application method thereof | |
| CN104965052A (en) | Testing system and testing method for proppant-carrying capacity of riverfrac treatment fluid | |
| CN111394078A (en) | Foam uniform acid and preparation method and use method thereof | |
| Ibrahim et al. | Addition of super absorbent polymer for upgrading of cement quality in Iraqi oil wells | |
| CN115683885A (en) | Method for evaluating plugging capability of abandoned well cement plug in oil and gas well shaft | |
| CN110358514A (en) | A kind of accumulation type water solubility diverting agent and preparation method thereof | |
| US11332654B2 (en) | Well bore spacer and efficiency fluids comprising geopolymers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Zhongyuan Road, Ranghulu District, Daqing City, Heilongjiang Province Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Address before: Ranghulu District Heilongjiang city of Daqing province Changqing business services four district four Building No. 13 Patentee before: DA QING PETROLEUM ADMINISTRATION BUREAU |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 |